Assignee

GREYSTONE TECH PTY LTD

AU·2 granted patents·1 citations·filing 2013–2014

Technology mixE21B1 F01C1 F04C1 F16D1

Top patents by PatentIndex Score

2 records

0155US9574401B2Downhole motor with concentric rotary drive systemGREYSTONE TECH PTY LTD·Filed 2013·Granted Feb 21, 2017·1 cites·31 claims
0248US9957961B2Concentric rotary fluid machineGREYSTONE TECH PTY LTD·Filed 2014·Granted May 1, 2018·0 cites·21 claims

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